Data Overview

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Introduction

In this dashboard we will explore a very dull and over-used data set called iris. It’s okay that it’s boring; it allows us to focus on learning a new tool, which is flexdashboard! Below you see some eye-catching summary stats. Typically, you’ll want these to be interesting, high-level summaries!

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Distribution of Petal Length by Species

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Relationship between Sepal Width, Length

Relationship between Petal Width, Length

Prediction tool: at a glance

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Classification tree

Our primary goal is to predict the species based on physical characteristics. We’ve fit a classification tree using the rpart algorithm. Trees are kind of nice for interpretability, but it isn’t the strongest prediction tool.

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Accuracy (in-sample)

0.96

Setosa Sensitivity

1

Versicolor Sensitivity

0.98

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Chart B